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Matches 1 - 50 out of 4,712

Document Document Title
WO/2018/127909A1
There is provided a universal safety guard for a propeller of a trolling motor having a propeller end and a rear end, having an adjustable motor holder including a pair of oppositely-facing omega-shaped sections, where each section is di...  
WO/2018/126817A1
An underwater propulsion device (10) and attachment device (100) thereof are provided. The attachment device (100) includes a main support frame (110) for holding a motorized device(200), and a connecting member (120) detachably connecte...  
WO/2018/123756A1
Provided are a fin device and a ship such that slow zones are concentrated on the propeller surface, thereby improving propulsion efficiency and allowing energy conservation. A ship 1 according to one embodiment of the present invention ...  
WO/2018/117355A1
The present invention relates to a method for reducing the overall pressure fluctuations by controlling the phase difference of pressure fluctuation time series of the two propellers of a twin-screw vessel, wherein with respect to contro...  
WO/2018/117356A1
The present invention, in order to resolve an issue of pressure fluctuations that arise due to both the left and right propellers of a twin-screw vessel, an issue that can be greater and more complex than for a conventional vessel, relat...  
WO/2018/108232A1
The present invention discusses a lifting spindle arrangement for a retractable thruster unit of a marine vessel, the lifting spindle (28) having a lower end and an upper end and being supported at its lower end to a lower support struct...  
WO/2018/105451A1
The present invention comprises: a duct (22) which is located in front of a propeller of a ship, and is fixed to a bossing (11) side so as to surround the rotational axis (L1) of the propeller; inside fins (24) which have outer ends fixe...  
WO/2018/104420A1
This invention relates to a device and method), of reducing the azimuthal torque acting on a pulling pod unit or azimuth thruster (1) having a rotary pod housing (4) with a substantially vertical slewing axis (3A), a pulling propeller (7...  
WO/2018/106288A1
A strut mounted gear box for counter rotating propellers. The gear box is strut mounted for securement to the hull of a boat. A main input shaft is coupled to a propulsion component of a boat with a distal end secured to an idler gear ca...  
WO/2018/101395A1
A maneuvering system for a ship 1 provided with, in the stern, two propulsion systems 2, 3, i.e., a port-side propulsion system 2 comprising a port-side propeller 2a and a port-side rudder 2a, and a starboard-side propulsion system 3 com...  
WO/2018/095548A1
The invention relates to a nozzle (1) of a ship propeller (19) that can rotate about an axis of rotation (A), comprising a nozzle casing (10) extending along the axis of rotation (A) and surrounding the ship propeller (19), and having in...  
WO/2018/097731A1
Thruster propulsion for vessels. In the thruster, the propeller shaft is used as an insert shaft with a coupling to a hollow gear shaft. On the one hand, this hollow insert shaft embodiment results in an increase in the torsion flexibili...  
WO/2018/091754A1
The invention relates to a device in the form of a manoeuvring propeller actuated by a 12-volt or 24-volt electric motor, which is carried on the vessel as an accessory or temporary thruster and only used when needed, depending on determ...  
WO/2018/085933A1
A method of operating a thruster apparatus involves causing a first propeller to rotate in response to pressure of a first flow of pressurized hydraulic fluid, and causing a second propeller to rotate in response to pressure of a second ...  
WO/2018/083370A1
The propulsion unit comprises a support frame (20), a propeller (40) rotating around a shaft line (X-X), and a nozzle (60) surrounding the propeller and comprising an upstream end (61) and a downstream end (62). A support construction (5...  
WO/2018/067008A1
A tugboat (1) having azimuthal propelling units, comprising two juxtaposed azimuthal propelling units (10, 20), characterized in that each of the juxtaposed propelling units (10, 20) has a main shaft (14) with a main axis (11, 21) extend...  
WO/2018/059197A1
Disclosed are a marine propeller replacing method and a ship. The marine propeller replacing method comprises the following steps: hoisting a propeller (2) on a ship body (1) via a lifting rope; rotating a rudder blade (3) so that the pr...  
WO/2018/059844A1
The invention relates to an electric pod drive for a ship, comprising a pod housing (1), an electric motor which is arranged in the pod housing (1) and has a stator (2) and a rotor (3), a pod shaft (5), by means of which the pod housing ...  
WO/2018/051711A1
A water passage 6 passing from a bow 1 to a stern 2 is provided. Of the three types of resistance faced by a ship moving along the surface of the water, i.e., wave-making resistance, viscous pressure resistance, and viscous friction resi...  
WO/2018/045952A1
An energy-saving guide pipe device and a ship. The energy-saving guide pipe device is mounted on a ship body and is located on the side of a propeller close to a bow. The energy-saving guide pipe device comprises a first guide pipe (100)...  
WO/2018/037277A1
In order to simplify a transport process, the patent describes a transport vessel (1). The transport vessel (1) comprises: - a bottom (2), lateral sides (3, 4) as well as end sides (5, 7), which together define an essentially watertight ...  
WO/2018/030142A1
In a ship 1 having a stern duct 10, which is configured to have a duct member 11 and duct support members 12, 13 for supporting this duct member 11 on a ship body 2, disposed immediately in front of a propeller 3, the shape of a rear edg...  
WO/2018/025644A1
Provided is a ship 1 in which stern ducts 10A-10E, each having a duct member 11 and a duct support member 12 for supporting the duct member 11 on a ship hull 2, are disposed immediately before a propeller 3, wherein a rear edge of the du...  
WO/2018/026735A1
The present technology is directed generally to electric marine propulsion systems with drive trains, and associated systems and methods. In representative embodiments, the disclosed technology includes pre-assembled transmission cartrid...  
WO/2018/020749A1
This ship comprises a duct device (15) which is disposed at a portion of the ship body (11) further towards the bow side than a propeller (13) in the stern (17) and extends in the X direction of the propeller (13), and which discharges t...  
WO/2018/014952A1
The invention relates to a propeller (10) for a marine vessel, drive comprising the propeller and a marine vessel comprising the drive. The propeller (10) comprises a hub (11) comprising an aperture (12) for receiving a first propeller s...  
WO/2018/008589A1
A port-side propeller 2a and a starboard-side propeller 2b are both configured from a variable pitch propeller, and control for turning right while stopped is implemented in which the port-side propeller 2a generates forward propulsion T...  
WO/2018/001457A1
The arrangement comprises a rotatable propeller shaft (25) provided with a propeller (30), an stationary annular nozzle (40) surrounding an outer perimeter of the propeller (30), a stationary support shaft (50) extending downstream from ...  
WO/2018/002414A1
The arrangement comprises at least one steering electric motor (60) rotating the propulsion unit (20) via a force transmission arrangement (50). The force transmission arrangement (50) comprises a differential (100) comprising a first sh...  
WO/2017/220000A1
A water paddle module apparatus, comprising a floating plate (1) and a propulsion unit. The propulsion unit is detachably connected to the floating plate (1). The apparatus is provided with a modular propulsion unit. In this way, the pro...  
WO/2017/216189A1
This power system for mounting on a marine vehicle (2) includes a propulsion unit (14), means for securing the propulsion assembly to a hull element (4) of the vehicle (2) and a rudder bearing (58) mechanically connecting the propulsion ...  
WO/2017/213542A1
The invention relates to shipbuilding, in particular to marine power installations designed for surface and underwater vessels. The invention may be used as a power or a pump installation, in particular on stationary or floating regasifi...  
WO/2017/212274A1
There is disclosed a marine propulsion system for a shaft-driven boat. The system comprises a recess (14) formed in the hull of a said boat, and a drive cassette (22). The drive cassette comprises: a housing (23); a static tube (24) exte...  
WO/2017/200256A1
The present invention relates to an ultralight composite material propeller for an outboard motor, which is configured to comprise a hub and blade in a detachable manner so as to facilitate replacement when the propeller is damaged, and ...  
WO/2017/199669A1
Provided is an underwater moving vehicle with which maneuverability of the vehicle can be improved and the position of the vehicle can be stably maintained. [Solution] This underwater moving vehicle is provided with a vehicle main body (...  
WO/2017/192086A1
Driving device for a watercraft, which device comprises a water flow channel (10) which is connected to the watercraft, preferably to the bottom thereof, and which has an inlet (11) and an outlet (12), a drive shaft (13, 14) which extend...  
WO/2017/187597A1
An appendage 8 for reducing hub vortex is disposed, via a support body 7 extending from a hull 2, at the rear of a propeller (wing propeller) 4 which has no rudder disposed to the rearward thereof. The appendage 8 has a circular cross-se...  
WO/2017/182687A1
Large displacement hull ship comprising a hull (10) and thrusting and governing means (100), arranged on each side of the center line of the ship (400), comprising at least one propeller (152), providing a thrust parallel to the center l...  
WO/2017/168802A1
The present invention addresses the problem of providing a ship steering device whereby course-change calibration can easily be performed. In a ship steering device (7), when port and starboard forward-backward propellers (4) are each ro...  
WO/2017/168549A1
This ship propulsion device is equipped with an energy-saving appendage 5 which is located forward of a propeller 1 and which has a curved surface having a radius R smaller than the radius r of the propeller 1. The pitch of the blades 3 ...  
WO/2017/163394A1
Provided is a ship in which fuel efficiency is improved while a reduction in the propulsion efficiency of a propeller is suppressed. Also provided is a ship cleaning method. The ship (100) equipped with ballast tanks (10) for storing bal...  
WO/2017/158674A1
A lift generator (10) is positioned in front of a propeller (3) of a ship (1). The lift generator (10) includes a wall part (7) extending in the circumferential direction around an extension line (Ce) of the central axis (C) of the prope...  
WO/2017/158205A1
Various aspects provide for a ship having a drive propeller and a steerable grim vane. The steerable grim vane may comprise a non-driven propeller and a transmission coupling the non-driven propeller to the ship. The transmission may dir...  
WO/2017/158204A1
Various aspects provide for a ship having a main propeller and a steer able contra-rotating propeller (steer able CRP). The steer able CRP may comprise a contra-rotating propeller and a transmission coupling the contra-rotating propeller...  
WO/2017/144767A1
According to an example aspect of the present invention, there is provided a steering system (30) of an azimuthing propulsion system (1), the steering system (30) comprising at least one hydraulic motor (2) configured to operate an azimu...  
WO/2017/134347A1
A system for contactless power transmission in an azimuth thruster, the system comprising a first body (76) comprising at least one first inductor to provide a magnetic field, a second body (78) comprising at least one second inductor to...  
WO/2017/135508A1
The present invention provides a fault-tolerant dynamic positioning control system and method for an offshore structure, wherein, although each equipment, such as a generator, a controller, a power supply, and a control line, for perform...  
WO/2017/134560A1
Catamaran craft (1) defining a main barycentric extension axis (1c) and comprising two hulls (2), which are spaced out and suitable for being at least partially submerged in water; a deck (3) connecting the hulls (2); an azimuth thruster...  
WO/2017/134349A1
A thruster for propelling a marine vessel, the apparatus comprising an upper housing, a lower housing, the lower housing being arranged to rotate relative to the upper housing, a first body arranged within the upper housing, the first bo...  
WO/2017/119502A1
This vehicle is equipped with: a power source; a first drive device which is configured so as to be driven by the output of the power source; a second drive device which is configured so as to be driven by the output of the power source;...  

Matches 1 - 50 out of 4,712